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What is ESD protection in integrated circuits and How to protect it?
Abstract: A lot of static electricity problems are caused by people’s lack of ESD protection awareness. When making products, in order to quickly produce product prototypes, many companies don’t give careful consideration in the early stage, which leads to the later things coming out ...Read more -
What is PCB Assembly appearance inspection standard?
Table of Contents 1.Purpose 2. Scope of application 3. Reference standard “IPC-A-610D Electronic Assembly Standard” 3.1 User division 3.2 Status judgment 3.3 PCBA assembly operation requirements 3.4 Terms and definitions 4. PCBA component acceptance criteria 4.1 Fastene...Read more -
The briefly introduction to reflow soldering
Reflow soldering by remelting the paste solder pre-distributed on the printed board pads to realize the mechanical connection and electrical connections between the solder ends or pins of surface mount components and the printed board pads. 1. Classification of reflow soldering (1). Can be divid...Read more -
Causes of welding defects in SMT chip processing and how to avoid them
Reasons: 1. In PCBA processing, due to the relatively large number of products in the same batch and the longer chip processing cycle, there may be dry solder paste on the stencil, or the template opening and the circuit board may not be aligned, which may lead to Unnecessary solder paste is gene...Read more -
Six tips for choosing PCB components
1. Consider the choice of component packaging In the entire schematic drawing stage, the component packaging and land pattern decisions that need to be made in the layout stage should be considered. Here are some suggestions to consider when selecting components based on component packaging. Rem...Read more -
Importance and types of reliability testing in PCBA processing
In the process of manufacturing PCBA boards, there will be fatal defects such as short service life and unstable use, which requires suppliers to do sufficient reliability tests. How many methods are available for PCBA reliability testing? 1. Aging test The PCBA board ...Read more -
The process of sample PCB assembly
Do you know what is the processes of sample PCB assembly processing go through in existing SMT chip processing plants? The process of sample PCB assembly includes the following process: 1.Communicate and consult with customer, and docking files. 2.Engineers evaluate the production technology. 3....Read more -
How to calculate Assembly cost of PCBA
What it is PCBA? To assembly components on bare PCB, it is PCBA. PCBA=PCB（bare PCB/ blank PCB）+ Components+ Assembly (SMT and DIP) That is to say, the finished PCBA is the PCB with components assembled. What makes the assembly cost different between PCBAs 1) Both s...Read more -
How to maintain pcba in smt patch processing
In the process of production and use of SMT chip processing, it is inevitable that improper operation will occur in the whole PCBA manufacturing process and use process, including processing errors, improper use, aging of components and other factors, which may cause abnormal work, or even affect...Read more -
What is AOI?
Automated Optical Inspection (AOI) is an important technology to improve product yield and productivity in industrial processes. The AOI system is mainly composed of hardware devices such as cameras, lenses, light sources and computers, as well as programs written for required functions. Constitu...Read more -
Flux of DIP Process
1. Definition of flux for DIP processing: In the process of SMT and welding, the material which can purify the welding metal and welding surface auxiliary help the soldering of components and solder paste in the SMT is called flux, it is very important that cannot be ignored in the SMT process. ...Read more -
How to choose a PCBA supplier?
1. What is PCBA foundry material? In a narrow sense, PCBA foundry materials refer to the services of providing PCB boards, electronic components purchasing and PCBA processing. In a broad sense, PCBA OEM materials refer to the provision of a complete set of PCBA processing services from electroni...Read more